Overview

Dataset statistics

Number of variables	35
Number of observations	4424
Missing cells	0
Missing cells (%)	0.0%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	1.2 MiB
Average record size in memory	280.0 B

Variable types

Categorical	12
Numeric	17
Boolean	6

Alerts

`Application Mode` is highly overall correlated with `International Student`	High correlation
`Approved Units (1st Sem)` is highly overall correlated with `Approved Units (2nd Sem)` and 4 other fields	High correlation
`Approved Units (2nd Sem)` is highly overall correlated with `Approved Units (1st Sem)` and 5 other fields	High correlation
`Average Grade (1st Sem)` is highly overall correlated with `Approved Units (1st Sem)` and 2 other fields	High correlation
`Average Grade (2nd Sem)` is highly overall correlated with `Approved Units (1st Sem)` and 2 other fields	High correlation
`Course Name` is highly overall correlated with `Daytime/Evening Attendance`	High correlation
`Credited Units (1st Sem)` is highly overall correlated with `Credited Units (2nd Sem)`	High correlation
`Credited Units (2nd Sem)` is highly overall correlated with `Credited Units (1st Sem)`	High correlation
`Daytime/Evening Attendance` is highly overall correlated with `Course Name`	High correlation
`Enrolled Units (1st Sem)` is highly overall correlated with `Approved Units (1st Sem)` and 2 other fields	High correlation
`Enrolled Units (2nd Sem)` is highly overall correlated with `Approved Units (1st Sem)` and 2 other fields	High correlation
`Evaluated Units (1st Sem)` is highly overall correlated with `Evaluated Units (2nd Sem)`	High correlation
`Evaluated Units (2nd Sem)` is highly overall correlated with `Evaluated Units (1st Sem)`	High correlation
`Father's Occupation` is highly overall correlated with `Mother's Occupation`	High correlation
`International Student` is highly overall correlated with `Application Mode` and 1 other fields	High correlation
`Mother's Occupation` is highly overall correlated with `Father's Occupation`	High correlation
`Nationality` is highly overall correlated with `International Student`	High correlation
`Student Status` is highly overall correlated with `Approved Units (2nd Sem)`	High correlation
`Marital Status` is highly imbalanced (75.3%)	Imbalance
`Daytime/Evening Attendance` is highly imbalanced (50.3%)	Imbalance
`Previous Qualification` is highly imbalanced (73.4%)	Imbalance
`Nationality` is highly imbalanced (94.3%)	Imbalance
`Special Educational Needs` is highly imbalanced (90.9%)	Imbalance
`International Student` is highly imbalanced (83.2%)	Imbalance
`Credited Units (1st Sem)` has 3847 (87.0%) zeros	Zeros
`Enrolled Units (1st Sem)` has 180 (4.1%) zeros	Zeros
`Evaluated Units (1st Sem)` has 349 (7.9%) zeros	Zeros
`Approved Units (1st Sem)` has 718 (16.2%) zeros	Zeros
`Average Grade (1st Sem)` has 718 (16.2%) zeros	Zeros
`Not Evaluated Units (1st Sem)` has 4130 (93.4%) zeros	Zeros
`Credited Units (2nd Sem)` has 3894 (88.0%) zeros	Zeros
`Enrolled Units (2nd Sem)` has 180 (4.1%) zeros	Zeros
`Evaluated Units (2nd Sem)` has 401 (9.1%) zeros	Zeros
`Approved Units (2nd Sem)` has 870 (19.7%) zeros	Zeros
`Average Grade (2nd Sem)` has 870 (19.7%) zeros	Zeros
`Not Evaluated Units (2nd Sem)` has 4142 (93.6%) zeros	Zeros

Reproduction

Analysis started	2025-12-11 09:17:44.002526
Analysis finished	2025-12-11 09:18:04.783215
Duration	20.78 seconds
Software version	ydata-profiling vv4.18.0
Download configuration	config.json

Marital Status
Categorical

Imbalance

Distinct	6
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Single	3919
Married	379
Divorced	91
Facto Union	25
Legally Separated	6

Length

Max length	17
Median length	6
Mean length	6.1708861
Min length	6

Characters and Unicode

Total characters	27300
Distinct characters	23
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Single
2nd row	Single
3rd row	Single
4th row	Single
5th row	Married

Common Values

Value	Count	Frequency (%)
Single	3919	88.6%
Married	379	8.6%
Divorced	91	2.1%
Facto Union	25	0.6%
Legally Separated	6	0.1%
Widower	4	0.1%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
single	3919	88.0%
married	379	8.5%
divorced	91	2.0%
facto	25	0.6%
union	25	0.6%
legally	6	0.1%
separated	6	0.1%
widower	4	0.1%

Most occurring characters

Value	Count	Frequency (%)
i	4418	16.2%
e	4411	16.2%
n	3969	14.5%
l	3931	14.4%
S	3925	14.4%
g	3925	14.4%
r	859	3.1%
d	480	1.8%
a	422	1.5%
M	379	1.4%
Other values (13)	581	2.1%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	27300	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
i	4418	16.2%
e	4411	16.2%
n	3969	14.5%
l	3931	14.4%
S	3925	14.4%
g	3925	14.4%
r	859	3.1%
d	480	1.8%
a	422	1.5%
M	379	1.4%
Other values (13)	581	2.1%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	27300	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
i	4418	16.2%
e	4411	16.2%
n	3969	14.5%
l	3931	14.4%
S	3925	14.4%
g	3925	14.4%
r	859	3.1%
d	480	1.8%
a	422	1.5%
M	379	1.4%
Other values (13)	581	2.1%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	27300	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
i	4418	16.2%
e	4411	16.2%
n	3969	14.5%
l	3931	14.4%
S	3925	14.4%
g	3925	14.4%
r	859	3.1%
d	480	1.8%
a	422	1.5%
M	379	1.4%
Other values (13)	581	2.1%

Application Mode
Categorical

High correlation

Distinct	18
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

1st phase—general contingent	1708
2nd phase—general contingent	872
Over 23 years old	785
Change in course	312
Technological specialization diploma holders	213
Other values (13)	534

Length

Max length	51
Median length	28
Mean length	25.936031
Min length	8

Characters and Unicode

Total characters	114741
Distinct characters	49
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	3 ?
Unique (%)	0.1%

Sample

1st row	2nd phase—general contingent
2nd row	International student (bachelor)
3rd row	1st phase—general contingent
4th row	2nd phase—general contingent
5th row	Over 23 years old

Common Values

Value	Count	Frequency (%)
1st phase—general contingent	1708	38.6%
2nd phase—general contingent	872	19.7%
Over 23 years old	785	17.7%
Change in course	312	7.1%
Technological specialization diploma holders	213	4.8%
Holders of other higher courses	139	3.1%
3rd phase—general contingent	124	2.8%
Transfer	77	1.7%
Change in institution/course	59	1.3%
1st phase—special contingent (Madeira Island)	38	0.9%
Other values (8)	97	2.2%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
contingent	2758	19.0%
phase—general	2704	18.6%
1st	1762	12.1%
2nd	872	6.0%
over	785	5.4%
23	785	5.4%
years	785	5.4%
old	785	5.4%
holders	387	2.7%
change	372	2.6%
Other values (32)	2551	17.5%

Most occurring characters

Value	Count	Frequency (%)
e	14799	12.9%
n	13428	11.7%
	10122	8.8%
t	7974	6.9%
a	7875	6.9%
s	6847	6.0%
g	6186	5.4%
r	5895	5.1%
o	5794	5.0%
l	4968	4.3%
Other values (39)	30853	26.9%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	114741	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	14799	12.9%
n	13428	11.7%
	10122	8.8%
t	7974	6.9%
a	7875	6.9%
s	6847	6.0%
g	6186	5.4%
r	5895	5.1%
o	5794	5.0%
l	4968	4.3%
Other values (39)	30853	26.9%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	114741	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	14799	12.9%
n	13428	11.7%
	10122	8.8%
t	7974	6.9%
a	7875	6.9%
s	6847	6.0%
g	6186	5.4%
r	5895	5.1%
o	5794	5.0%
l	4968	4.3%
Other values (39)	30853	26.9%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	114741	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	14799	12.9%
n	13428	11.7%
	10122	8.8%
t	7974	6.9%
a	7875	6.9%
s	6847	6.0%
g	6186	5.4%
r	5895	5.1%
o	5794	5.0%
l	4968	4.3%
Other values (39)	30853	26.9%

Application Order
Real number (ℝ)

Distinct	8
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	1.7278481

Minimum	0
Maximum	9
Zeros	1
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	1
Q1	1
median	1
Q3	2
95-th percentile	5
Maximum	9
Range	9
Interquartile range (IQR)	1

Descriptive statistics

Standard deviation	1.3137931
Coefficient of variation (CV)	0.76036376
Kurtosis	2.6512887
Mean	1.7278481
Median Absolute Deviation (MAD)	0
Skewness	1.88105
Sum	7644
Variance	1.7260523
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=8)

Value	Count	Frequency (%)
1	3026	68.4%
2	547	12.4%
3	309	7.0%
4	249	5.6%
5	154	3.5%
6	137	3.1%
9	1	< 0.1%
0	1	< 0.1%

Value	Count	Frequency (%)
0	1	< 0.1%
1	3026	68.4%
2	547	12.4%
3	309	7.0%
4	249	5.6%
5	154	3.5%
6	137	3.1%
9	1	< 0.1%

Value	Count	Frequency (%)
9	1	< 0.1%
6	137	3.1%
5	154	3.5%
4	249	5.6%
3	309	7.0%
2	547	12.4%
1	3026	68.4%
0	1	< 0.1%

Course Name
Categorical

High correlation

Distinct	17
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Nursing	766
Management	380
Social Service	355
Veterinary Nursing	337
Journalism and Communication	331
Other values (12)	2255

Length

Max length	36
Median length	28
Mean length	17.993445
Min length	7

Characters and Unicode

Total characters	79603
Distinct characters	38
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Animation and Multimedia Design
2nd row	Tourism
3rd row	Communication Design
4th row	Journalism and Communication
5th row	Social Service (evening attendance)

Common Values

Value	Count	Frequency (%)
Nursing	766	17.3%
Management	380	8.6%
Social Service	355	8.0%
Veterinary Nursing	337	7.6%
Journalism and Communication	331	7.5%
Advertising and Marketing Management	268	6.1%
Management (evening attendance)	268	6.1%
Tourism	252	5.7%
Communication Design	226	5.1%
Animation and Multimedia Design	215	4.9%
Other values (7)	1026	23.2%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
nursing	1103	12.1%
management	916	10.1%
and	814	8.9%
social	570	6.3%
service	570	6.3%
communication	557	6.1%
evening	483	5.3%
attendance	483	5.3%
design	441	4.8%
veterinary	337	3.7%
Other values (17)	2832	31.1%

Most occurring characters

Value	Count	Frequency (%)
n	10203	12.8%
i	8163	10.3%
e	7459	9.4%
a	6745	8.5%
	4682	5.9%
t	4257	5.3%
r	4255	5.3%
g	4127	5.2%
m	3423	4.3%
o	3324	4.2%
Other values (28)	22965	28.8%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	79603	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
n	10203	12.8%
i	8163	10.3%
e	7459	9.4%
a	6745	8.5%
	4682	5.9%
t	4257	5.3%
r	4255	5.3%
g	4127	5.2%
m	3423	4.3%
o	3324	4.2%
Other values (28)	22965	28.8%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	79603	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
n	10203	12.8%
i	8163	10.3%
e	7459	9.4%
a	6745	8.5%
	4682	5.9%
t	4257	5.3%
r	4255	5.3%
g	4127	5.2%
m	3423	4.3%
o	3324	4.2%
Other values (28)	22965	28.8%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	79603	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
n	10203	12.8%
i	8163	10.3%
e	7459	9.4%
a	6745	8.5%
	4682	5.9%
t	4257	5.3%
r	4255	5.3%
g	4127	5.2%
m	3423	4.3%
o	3324	4.2%
Other values (28)	22965	28.8%

Daytime/Evening Attendance
Categorical

High correlation Imbalance

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Daytime	3941
Evening	483

Length

Max length	7
Median length	7
Mean length	7
Min length	7

Characters and Unicode

Total characters	30968
Distinct characters	11
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Daytime
2nd row	Daytime
3rd row	Daytime
4th row	Daytime
5th row	Evening

Common Values

Value	Count	Frequency (%)
Daytime	3941	89.1%
Evening	483	10.9%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
daytime	3941	89.1%
evening	483	10.9%

Most occurring characters

Value	Count	Frequency (%)
i	4424	14.3%
e	4424	14.3%
D	3941	12.7%
y	3941	12.7%
a	3941	12.7%
t	3941	12.7%
m	3941	12.7%
n	966	3.1%
E	483	1.6%
v	483	1.6%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	30968	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
i	4424	14.3%
e	4424	14.3%
D	3941	12.7%
y	3941	12.7%
a	3941	12.7%
t	3941	12.7%
m	3941	12.7%
n	966	3.1%
E	483	1.6%
v	483	1.6%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	30968	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
i	4424	14.3%
e	4424	14.3%
D	3941	12.7%
y	3941	12.7%
a	3941	12.7%
t	3941	12.7%
m	3941	12.7%
n	966	3.1%
E	483	1.6%
v	483	1.6%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	30968	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
i	4424	14.3%
e	4424	14.3%
D	3941	12.7%
y	3941	12.7%
a	3941	12.7%
t	3941	12.7%
m	3941	12.7%
n	966	3.1%
E	483	1.6%
v	483	1.6%

Previous Qualification
Categorical

Imbalance

Distinct	17
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Secondary education	3717
Technological specialization course	219
Basic education 3rd cycle	162
Higher education—degree	126
Other—11th year	45
Other values (12)	155

Length

Max length	37
Median length	19
Mean length	20.55425
Min length	9

Characters and Unicode

Total characters	90932
Distinct characters	37
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	2 ?
Unique (%)	< 0.1%

Sample

1st row	Secondary education
2nd row	Secondary education
3rd row	Secondary education
4th row	Secondary education
5th row	Secondary education

Common Values

Value	Count	Frequency (%)
Secondary education	3717	84.0%
Technological specialization course	219	5.0%
Basic education 3rd cycle	162	3.7%
Higher education—degree	126	2.8%
Other—11th year	45	1.0%
Higher education—degree (1st cycle)	40	0.9%
Professional higher technical course	36	0.8%
Higher education—bachelor’s degree	23	0.5%
Frequency of higher education	16	0.4%
12th year—not completed	11	0.2%
Other values (7)	29	0.7%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
education	3902	40.4%
secondary	3717	38.5%
higher	256	2.7%
course	255	2.6%
technological	219	2.3%
specialization	219	2.3%
cycle	215	2.2%
basic	169	1.8%
education—degree	166	1.7%
3rd	162	1.7%
Other values (17)	369	3.8%

Most occurring characters

Value	Count	Frequency (%)
e	9862	10.8%
c	9463	10.4%
o	8882	9.8%
a	8822	9.7%
n	8379	9.2%
d	8213	9.0%
i	5479	6.0%
	5225	5.7%
r	4785	5.3%
t	4559	5.0%
Other values (27)	17263	19.0%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	90932	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	9862	10.8%
c	9463	10.4%
o	8882	9.8%
a	8822	9.7%
n	8379	9.2%
d	8213	9.0%
i	5479	6.0%
	5225	5.7%
r	4785	5.3%
t	4559	5.0%
Other values (27)	17263	19.0%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	90932	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	9862	10.8%
c	9463	10.4%
o	8882	9.8%
a	8822	9.7%
n	8379	9.2%
d	8213	9.0%
i	5479	6.0%
	5225	5.7%
r	4785	5.3%
t	4559	5.0%
Other values (27)	17263	19.0%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	90932	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	9862	10.8%
c	9463	10.4%
o	8882	9.8%
a	8822	9.7%
n	8379	9.2%
d	8213	9.0%
i	5479	6.0%
	5225	5.7%
r	4785	5.3%
t	4559	5.0%
Other values (27)	17263	19.0%

Nationality
Categorical

High correlation Imbalance

Distinct	21
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Portuguese	4314
Brazilian	38
Santomean	14
Spanish	13
Cape Verdean	13
Other values (16)	32

Length

Max length	12
Median length	10
Mean length	9.9672242
Min length	5

Characters and Unicode

Total characters	44095
Distinct characters	37
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	6 ?
Unique (%)	0.1%

Sample

1st row	Portuguese
2nd row	Portuguese
3rd row	Portuguese
4th row	Portuguese
5th row	Portuguese

Common Values

Value	Count	Frequency (%)
Portuguese	4314	97.5%
Brazilian	38	0.9%
Santomean	14	0.3%
Spanish	13	0.3%
Cape Verdean	13	0.3%
Guinean	5	0.1%
Moldovan	3	0.1%
Italian	3	0.1%
Ukrainian	3	0.1%
Romanian	2	< 0.1%
Other values (11)	16	0.4%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
portuguese	4314	97.2%
brazilian	38	0.9%
santomean	14	0.3%
spanish	13	0.3%
cape	13	0.3%
verdean	13	0.3%
guinean	5	0.1%
moldovan	3	0.1%
italian	3	0.1%
ukrainian	3	0.1%
Other values (12)	18	0.4%

Most occurring characters

Value	Count	Frequency (%)
e	8690	19.7%
u	8639	19.6%
r	4371	9.9%
o	4342	9.8%
t	4333	9.8%
s	4333	9.8%
g	4317	9.8%
P	4314	9.8%
a	183	0.4%
n	135	0.3%
Other values (27)	438	1.0%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	44095	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	8690	19.7%
u	8639	19.6%
r	4371	9.9%
o	4342	9.8%
t	4333	9.8%
s	4333	9.8%
g	4317	9.8%
P	4314	9.8%
a	183	0.4%
n	135	0.3%
Other values (27)	438	1.0%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	44095	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	8690	19.7%
u	8639	19.6%
r	4371	9.9%
o	4342	9.8%
t	4333	9.8%
s	4333	9.8%
g	4317	9.8%
P	4314	9.8%
a	183	0.4%
n	135	0.3%
Other values (27)	438	1.0%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	44095	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	8690	19.7%
u	8639	19.6%
r	4371	9.9%
o	4342	9.8%
t	4333	9.8%
s	4333	9.8%
g	4317	9.8%
P	4314	9.8%
a	183	0.4%
n	135	0.3%
Other values (27)	438	1.0%

Mother's Qualification
Categorical

Distinct	29
Distinct (%)	0.7%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Secondary Education	1069
Administration & Commerce course	1009
General commerce course	953
Accounting & Admin course	562
Higher Education Degree	438
Other values (24)	393

Length

Max length	32
Median length	31
Mean length	24.10443
Min length	7

Characters and Unicode

Total characters	106638
Distinct characters	53
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	5 ?
Unique (%)	0.1%

Sample

1st row	General commerce course
2nd row	Secondary Education
3rd row	Administration & Commerce course
4th row	Accounting & Admin course
5th row	Administration & Commerce course

Common Values

Value	Count	Frequency (%)
Secondary Education	1069	24.2%
Administration & Commerce course	1009	22.8%
General commerce course	953	21.5%
Accounting & Admin course	562	12.7%
Higher Education Degree	438	9.9%
2nd cycle general high school	130	2.9%
Bachelor’s Degree	83	1.9%
Master’s Degree	49	1.1%
Other—11th Year	42	0.9%
Doctorate	21	0.5%
Other values (19)	68	1.5%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
course	2527	18.3%
commerce	1962	14.2%
	1571	11.4%
education	1512	10.9%
general	1083	7.8%
secondary	1069	7.7%
administration	1009	7.3%
degree	570	4.1%
accounting	562	4.1%
admin	562	4.1%
Other values (39)	1384	10.0%

Most occurring characters

Value	Count	Frequency (%)
e	12316	11.5%
c	9691	9.1%
	9387	8.8%
o	9104	8.5%
r	8961	8.4%
n	7588	7.1%
i	6262	5.9%
m	5518	5.2%
a	4943	4.6%
u	4616	4.3%
Other values (43)	28252	26.5%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	106638	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	12316	11.5%
c	9691	9.1%
	9387	8.8%
o	9104	8.5%
r	8961	8.4%
n	7588	7.1%
i	6262	5.9%
m	5518	5.2%
a	4943	4.6%
u	4616	4.3%
Other values (43)	28252	26.5%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	106638	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	12316	11.5%
c	9691	9.1%
	9387	8.8%
o	9104	8.5%
r	8961	8.4%
n	7588	7.1%
i	6262	5.9%
m	5518	5.2%
a	4943	4.6%
u	4616	4.3%
Other values (43)	28252	26.5%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	106638	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	12316	11.5%
c	9691	9.1%
	9387	8.8%
o	9104	8.5%
r	8961	8.4%
n	7588	7.1%
i	6262	5.9%
m	5518	5.2%
a	4943	4.6%
u	4616	4.3%
Other values (43)	28252	26.5%

Father's Qualification
Categorical

Distinct	34
Distinct (%)	0.8%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Basic Edu 1st Cycle	1209
Basic Education 3rd Cycle	968
Secondary Education	904
Basic Edu 2nd Cycle	702
Higher Education Degree	282
Other values (29)	359

Length

Max length	32
Median length	19
Mean length	20.173599
Min length	7

Characters and Unicode

Total characters	89248
Distinct characters	54
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	9 ?
Unique (%)	0.2%

Sample

1st row	Other—11th Year
2nd row	Higher Education Degree
3rd row	Basic Edu 1st Cycle
4th row	Basic Edu 1st Cycle
5th row	Basic Edu 2nd Cycle

Common Values

Value	Count	Frequency (%)
Basic Edu 1st Cycle	1209	27.3%
Basic Education 3rd Cycle	968	21.9%
Secondary Education	904	20.4%
Basic Edu 2nd Cycle	702	15.9%
Higher Education Degree	282	6.4%
Unknown	112	2.5%
Bachelor’s Degree	68	1.5%
Master’s Degree	39	0.9%
Other—11th Year	38	0.9%
Tech Specialization Course	20	0.5%
Other values (24)	82	1.9%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
cycle	2888	19.4%
basic	2879	19.4%
education	2156	14.5%
edu	1916	12.9%
1st	1214	8.2%
3rd	969	6.5%
secondary	904	6.1%
2nd	706	4.8%
degree	394	2.7%
higher	292	2.0%
Other values (43)	540	3.6%

Most occurring characters

Value	Count	Frequency (%)
	10434	11.7%
c	9005	10.1%
d	6689	7.5%
a	6217	7.0%
e	5639	6.3%
i	5412	6.1%
s	4284	4.8%
n	4174	4.7%
u	4107	4.6%
E	4072	4.6%
Other values (44)	29215	32.7%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	89248	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
	10434	11.7%
c	9005	10.1%
d	6689	7.5%
a	6217	7.0%
e	5639	6.3%
i	5412	6.1%
s	4284	4.8%
n	4174	4.7%
u	4107	4.6%
E	4072	4.6%
Other values (44)	29215	32.7%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	89248	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
	10434	11.7%
c	9005	10.1%
d	6689	7.5%
a	6217	7.0%
e	5639	6.3%
i	5412	6.1%
s	4284	4.8%
n	4174	4.7%
u	4107	4.6%
E	4072	4.6%
Other values (44)	29215	32.7%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	89248	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
	10434	11.7%
c	9005	10.1%
d	6689	7.5%
a	6217	7.0%
e	5639	6.3%
i	5412	6.1%
s	4284	4.8%
n	4174	4.7%
u	4107	4.6%
E	4072	4.6%
Other values (44)	29215	32.7%

Mother's Occupation
Categorical

High correlation

Distinct	32
Distinct (%)	0.7%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Unskilled Workers	1577
Administrative Staff	817
Service/Sales/Security	530
Technicians & Professionals	351
Scientific Specialists	318
Other values (27)	831

Length

Max length	32
Median length	31
Mean length	19.721745
Min length	5

Characters and Unicode

Total characters	87249
Distinct characters	41
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	4 ?
Unique (%)	0.1%

Sample

1st row	Service/Sales/Security
2nd row	Technicians & Professionals
3rd row	Unskilled Workers
4th row	Service/Sales/Security
5th row	Unskilled Workers

Common Values

Value	Count	Frequency (%)
Unskilled Workers	1577	35.6%
Administrative Staff	817	18.5%
Service/Sales/Security	530	12.0%
Technicians & Professionals	351	7.9%
Scientific Specialists	318	7.2%
Skilled Industry Workers	272	6.1%
Student	144	3.3%
Legislative/Executive Officers	102	2.3%
Farmers/Ag Workers	91	2.1%
Other Situation	70	1.6%
Other values (22)	152	3.4%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
workers	1961	22.2%
unskilled	1577	17.9%
administrative	817	9.3%
staff	817	9.3%
service/sales/security	530	6.0%
technicians	359	4.1%
professionals	359	4.1%
	351	4.0%
specialists	328	3.7%
scientific	318	3.6%
Other values (33)	1405	15.9%

Most occurring characters

Value	Count	Frequency (%)
e	9175	10.5%
i	8722	10.0%
s	7640	8.8%
r	7004	8.0%
l	5067	5.8%
t	4730	5.4%
n	4411	5.1%
	4398	5.0%
k	3827	4.4%
a	3631	4.2%
Other values (31)	28644	32.8%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	87249	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	9175	10.5%
i	8722	10.0%
s	7640	8.8%
r	7004	8.0%
l	5067	5.8%
t	4730	5.4%
n	4411	5.1%
	4398	5.0%
k	3827	4.4%
a	3631	4.2%
Other values (31)	28644	32.8%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	87249	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	9175	10.5%
i	8722	10.0%
s	7640	8.8%
r	7004	8.0%
l	5067	5.8%
t	4730	5.4%
n	4411	5.1%
	4398	5.0%
k	3827	4.4%
a	3631	4.2%
Other values (31)	28644	32.8%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	87249	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	9175	10.5%
i	8722	10.0%
s	7640	8.8%
r	7004	8.0%
l	5067	5.8%
t	4730	5.4%
n	4411	5.1%
	4398	5.0%
k	3827	4.4%
a	3631	4.2%
Other values (31)	28644	32.8%

Father's Occupation
Categorical

High correlation

Distinct	46
Distinct (%)	1.0%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Unskilled Workers	1010
Skilled Industry Workers	666
Service/Sales/Security	516
Administrative Staff	386
Technicians & Professionals	384
Other values (41)	1462

Length

Max length	32
Median length	30
Mean length	19.861212
Min length	5

Characters and Unicode

Total characters	87866
Distinct characters	44
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	14 ?
Unique (%)	0.3%

Sample

1st row	Unskilled Workers
2nd row	Technicians & Professionals
3rd row	Unskilled Workers
4th row	Technicians & Professionals
5th row	Unskilled Workers

Common Values

Value	Count	Frequency (%)
Unskilled Workers	1010	22.8%
Skilled Industry Workers	666	15.1%
Service/Sales/Security	516	11.7%
Administrative Staff	386	8.7%
Technicians & Professionals	384	8.7%
Machine Operators	318	7.2%
Armed Forces	266	6.0%
Farmers/Ag Workers	242	5.5%
Scientific Specialists	197	4.5%
Legislative/Executive Officers	134	3.0%
Other values (36)	305	6.9%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
workers	1945	21.0%
unskilled	1031	11.1%
industry	668	7.2%
skilled	666	7.2%
service/sales/security	516	5.6%
technicians	390	4.2%
administrative	386	4.2%
staff	386	4.2%
professionals	386	4.2%
	384	4.1%
Other values (53)	2505	27.0%

Most occurring characters

Value	Count	Frequency (%)
e	9662	11.0%
r	8374	9.5%
s	7694	8.8%
i	7091	8.1%
	4839	5.5%
l	4682	5.3%
n	4065	4.6%
t	3894	4.4%
k	3662	4.2%
o	3445	3.9%
Other values (34)	30458	34.7%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	87866	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	9662	11.0%
r	8374	9.5%
s	7694	8.8%
i	7091	8.1%
	4839	5.5%
l	4682	5.3%
n	4065	4.6%
t	3894	4.4%
k	3662	4.2%
o	3445	3.9%
Other values (34)	30458	34.7%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	87866	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	9662	11.0%
r	8374	9.5%
s	7694	8.8%
i	7091	8.1%
	4839	5.5%
l	4682	5.3%
n	4065	4.6%
t	3894	4.4%
k	3662	4.2%
o	3445	3.9%
Other values (34)	30458	34.7%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	87866	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	9662	11.0%
r	8374	9.5%
s	7694	8.8%
i	7091	8.1%
	4839	5.5%
l	4682	5.3%
n	4065	4.6%
t	3894	4.4%
k	3662	4.2%
o	3445	3.9%
Other values (34)	30458	34.7%

Displaced Student
Boolean

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	4.4 KiB

True	2426
False	1998

Value	Count	Frequency (%)
True	2426	54.8%
False	1998	45.2%

Special Educational Needs
Boolean

Imbalance

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	4.4 KiB

False	4373
True	51

Value	Count	Frequency (%)
False	4373	98.8%
True	51	1.2%

Is Debtor
Boolean

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	4.4 KiB

False	3921
True	503

Value	Count	Frequency (%)
False	3921	88.6%
True	503	11.4%

Tuition Fees Up-to-Date
Boolean

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	4.4 KiB

True	3896
False	528

Value	Count	Frequency (%)
True	3896	88.1%
False	528	11.9%

Gender (1=Male, 0=Female)
Categorical

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Female	2868
Male	1556

Length

Max length	6
Median length	6
Mean length	5.2965642
Min length	4

Characters and Unicode

Total characters	23432
Distinct characters	6
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Male
2nd row	Male
3rd row	Male
4th row	Female
5th row	Female

Common Values

Value	Count	Frequency (%)
Female	2868	64.8%
Male	1556	35.2%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
female	2868	64.8%
male	1556	35.2%

Most occurring characters

Value	Count	Frequency (%)
e	7292	31.1%
a	4424	18.9%
l	4424	18.9%
F	2868	12.2%
m	2868	12.2%
M	1556	6.6%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	23432	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
e	7292	31.1%
a	4424	18.9%
l	4424	18.9%
F	2868	12.2%
m	2868	12.2%
M	1556	6.6%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	23432	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
e	7292	31.1%
a	4424	18.9%
l	4424	18.9%
F	2868	12.2%
m	2868	12.2%
M	1556	6.6%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	23432	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
e	7292	31.1%
a	4424	18.9%
l	4424	18.9%
F	2868	12.2%
m	2868	12.2%
M	1556	6.6%

Scholarship Holder
Boolean

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	4.4 KiB

False	3325
True	1099

Value	Count	Frequency (%)
False	3325	75.2%
True	1099	24.8%

Age at Enrollment
Real number (ℝ)

Distinct	46
Distinct (%)	1.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	23.265145

Minimum	17
Maximum	70
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	17
5-th percentile	18
Q1	19
median	20
Q3	25
95-th percentile	41
Maximum	70
Range	53
Interquartile range (IQR)	6

Descriptive statistics

Standard deviation	7.5878156
Coefficient of variation (CV)	0.32614522
Kurtosis	4.1268918
Mean	23.265145
Median Absolute Deviation (MAD)	2
Skewness	2.0549884
Sum	102925
Variance	57.574946
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=46)

Value	Count	Frequency (%)
18	1036	23.4%
19	911	20.6%
20	599	13.5%
21	322	7.3%
22	174	3.9%
24	131	3.0%
23	108	2.4%
26	94	2.1%
25	93	2.1%
27	91	2.1%
Other values (36)	865	19.6%

Value	Count	Frequency (%)
17	5	0.1%
18	1036	23.4%
19	911	20.6%
20	599	13.5%
21	322	7.3%
22	174	3.9%
23	108	2.4%
24	131	3.0%
25	93	2.1%
26	94	2.1%

Value	Count	Frequency (%)
70	1	< 0.1%
62	1	< 0.1%
61	1	< 0.1%
60	2	< 0.1%
59	3	0.1%
58	3	0.1%
57	2	< 0.1%
55	5	0.1%
54	7	0.2%
53	7	0.2%

International Student
Boolean

High correlation Imbalance

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	4.4 KiB

False	4314
True	110

Value	Count	Frequency (%)
False	4314	97.5%
True	110	2.5%

Credited Units (1st Sem)
Real number (ℝ)

High correlation Zeros

Distinct	21
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.70999096

Minimum	0
Maximum	20
Zeros	3847
Zeros (%)	87.0%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	6
Maximum	20
Range	20
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	2.3605066
Coefficient of variation (CV)	3.3246995
Kurtosis	19.205727
Mean	0.70999096
Median Absolute Deviation (MAD)	0
Skewness	4.1690488
Sum	3141
Variance	5.5719915
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=21)

Value	Count	Frequency (%)
0	3847	87.0%
2	94	2.1%
1	85	1.9%
3	69	1.6%
6	51	1.2%
4	47	1.1%
7	41	0.9%
5	41	0.9%
8	31	0.7%
9	27	0.6%
Other values (11)	91	2.1%

Value	Count	Frequency (%)
0	3847	87.0%
1	85	1.9%
2	94	2.1%
3	69	1.6%
4	47	1.1%
5	41	0.9%
6	51	1.2%
7	41	0.9%
8	31	0.7%
9	27	0.6%

Value	Count	Frequency (%)
20	2	< 0.1%
19	2	< 0.1%
18	4	0.1%
17	3	0.1%
16	3	0.1%
15	5	0.1%
14	15	0.3%
13	13	0.3%
12	12	0.3%
11	17	0.4%

Enrolled Units (1st Sem)
Real number (ℝ)

High correlation Zeros

Distinct	23
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	6.2705696

Minimum	0
Maximum	26
Zeros	180
Zeros (%)	4.1%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	4
Q1	5
median	6
Q3	7
95-th percentile	11
Maximum	26
Range	26
Interquartile range (IQR)	2

Descriptive statistics

Standard deviation	2.4801782
Coefficient of variation (CV)	0.39552677
Kurtosis	8.9379154
Mean	6.2705696
Median Absolute Deviation (MAD)	1
Skewness	1.6190409
Sum	27741
Variance	6.1512838
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=23)

Value	Count	Frequency (%)
6	1910	43.2%
5	1010	22.8%
7	656	14.8%
8	296	6.7%
0	180	4.1%
12	66	1.5%
10	52	1.2%
11	45	1.0%
9	36	0.8%
15	25	0.6%
Other values (13)	148	3.3%

Value	Count	Frequency (%)
0	180	4.1%
1	7	0.2%
2	9	0.2%
3	10	0.2%
4	21	0.5%
5	1010	22.8%
6	1910	43.2%
7	656	14.8%
8	296	6.7%
9	36	0.8%

Value	Count	Frequency (%)
26	1	< 0.1%
23	2	< 0.1%
21	6	0.1%
19	2	< 0.1%
18	19	0.4%
17	16	0.4%
16	13	0.3%
15	25	0.6%
14	22	0.5%
13	20	0.5%

Evaluated Units (1st Sem)
Real number (ℝ)

High correlation Zeros

Distinct	35
Distinct (%)	0.8%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	8.2990506

Minimum	0
Maximum	45
Zeros	349
Zeros (%)	7.9%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	6
median	8
Q3	10
95-th percentile	15
Maximum	45
Range	45
Interquartile range (IQR)	4

Descriptive statistics

Standard deviation	4.1791056
Coefficient of variation (CV)	0.50356429
Kurtosis	5.4630252
Mean	8.2990506
Median Absolute Deviation (MAD)	2
Skewness	0.9766367
Sum	36715
Variance	17.464923
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=35)

Value	Count	Frequency (%)
8	791	17.9%
7	703	15.9%
6	598	13.5%
9	402	9.1%
0	349	7.9%
10	340	7.7%
11	239	5.4%
12	223	5.0%
5	220	5.0%
13	140	3.2%
Other values (25)	419	9.5%

Value	Count	Frequency (%)
0	349	7.9%
1	6	0.1%
2	8	0.2%
3	6	0.1%
4	19	0.4%
5	220	5.0%
6	598	13.5%
7	703	15.9%
8	791	17.9%
9	402	9.1%

Value	Count	Frequency (%)
45	2	< 0.1%
36	1	< 0.1%
33	1	< 0.1%
32	1	< 0.1%
31	1	< 0.1%
29	2	< 0.1%
28	1	< 0.1%
27	2	< 0.1%
26	4	0.1%
25	3	0.1%

Approved Units (1st Sem)
Real number (ℝ)

High correlation Zeros

Distinct	23
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	4.7066004

Minimum	0
Maximum	26
Zeros	718
Zeros (%)	16.2%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	3
median	5
Q3	6
95-th percentile	9
Maximum	26
Range	26
Interquartile range (IQR)	3

Descriptive statistics

Standard deviation	3.094238
Coefficient of variation (CV)	0.65742526
Kurtosis	3.0966799
Mean	4.7066004
Median Absolute Deviation (MAD)	1
Skewness	0.7662624
Sum	20822
Variance	9.5743087
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=23)

Value	Count	Frequency (%)
6	1171	26.5%
5	723	16.3%
0	718	16.2%
7	471	10.6%
4	433	9.8%
3	269	6.1%
2	160	3.6%
1	127	2.9%
8	108	2.4%
11	49	1.1%
Other values (13)	195	4.4%

Value	Count	Frequency (%)
0	718	16.2%
1	127	2.9%
2	160	3.6%
3	269	6.1%
4	433	9.8%
5	723	16.3%
6	1171	26.5%
7	471	10.6%
8	108	2.4%
9	40	0.9%

Value	Count	Frequency (%)
26	1	< 0.1%
21	4	0.1%
20	3	0.1%
19	2	< 0.1%
18	15	0.3%
17	10	0.2%
16	5	0.1%
15	7	0.2%
14	14	0.3%
13	26	0.6%

Average Grade (1st Sem)
Real number (ℝ)

High correlation Zeros

Distinct	805
Distinct (%)	18.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	10.640822

Minimum	0
Maximum	18.875
Zeros	718
Zeros (%)	16.2%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	11
median	12.285714
Q3	13.4
95-th percentile	14.857143
Maximum	18.875
Range	18.875
Interquartile range (IQR)	2.4

Descriptive statistics

Standard deviation	4.8436634
Coefficient of variation (CV)	0.45519637
Kurtosis	0.90846103
Mean	10.640822
Median Absolute Deviation (MAD)	1.1571429
Skewness	-1.5681456
Sum	47074.995
Variance	23.461075
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	718	16.2%
12	205	4.6%
13	147	3.3%
11	138	3.1%
11.5	89	2.0%
14	85	1.9%
12.5	84	1.9%
12.33333333	82	1.9%
12.66666667	82	1.9%
10	82	1.9%
Other values (795)	2712	61.3%

Value	Count	Frequency (%)
0	718	16.2%
9.8	1	< 0.1%
10	82	1.9%
10.16666667	1	< 0.1%
10.2	8	0.2%
10.21428571	1	< 0.1%
10.25	7	0.2%
10.28571429	1	< 0.1%
10.33333333	16	0.4%
10.36842105	1	< 0.1%

Value	Count	Frequency (%)
18.875	1	< 0.1%
18	2	< 0.1%
17.33333333	2	< 0.1%
17.125	1	< 0.1%
17.11111111	1	< 0.1%
17.00555556	1	< 0.1%
17	5	0.1%
16.9	1	< 0.1%
16.88571429	1	< 0.1%
16.85714286	1	< 0.1%

Not Evaluated Units (1st Sem)
Real number (ℝ)

Zeros

Distinct	11
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.13765823

Minimum	0
Maximum	12
Zeros	4130
Zeros (%)	93.4%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	1
Maximum	12
Range	12
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	0.69088018
Coefficient of variation (CV)	5.0188078
Kurtosis	89.863208
Mean	0.13765823
Median Absolute Deviation (MAD)	0
Skewness	8.2074031
Sum	609
Variance	0.47731543
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=11)

Value	Count	Frequency (%)
0	4130	93.4%
1	153	3.5%
2	79	1.8%
3	23	0.5%
4	15	0.3%
6	6	0.1%
7	6	0.1%
5	5	0.1%
8	4	0.1%
12	2	< 0.1%

Value	Count	Frequency (%)
0	4130	93.4%
1	153	3.5%
2	79	1.8%
3	23	0.5%
4	15	0.3%
5	5	0.1%
6	6	0.1%
7	6	0.1%
8	4	0.1%
10	1	< 0.1%

Value	Count	Frequency (%)
12	2	< 0.1%
10	1	< 0.1%
8	4	0.1%
7	6	0.1%
6	6	0.1%
5	5	0.1%
4	15	0.3%
3	23	0.5%
2	79	1.8%
1	153	3.5%

Credited Units (2nd Sem)
Real number (ℝ)

High correlation Zeros

Distinct	19
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.54181736

Minimum	0
Maximum	19
Zeros	3894
Zeros (%)	88.0%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	4
Maximum	19
Range	19
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	1.9185461
Coefficient of variation (CV)	3.5409462
Kurtosis	24.427266
Mean	0.54181736
Median Absolute Deviation (MAD)	0
Skewness	4.6348195
Sum	2397
Variance	3.6808193
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=19)

Value	Count	Frequency (%)
0	3894	88.0%
1	107	2.4%
2	92	2.1%
4	78	1.8%
5	68	1.5%
3	49	1.1%
6	26	0.6%
11	20	0.5%
7	16	0.4%
9	15	0.3%
Other values (9)	59	1.3%

Value	Count	Frequency (%)
0	3894	88.0%
1	107	2.4%
2	92	2.1%
3	49	1.1%
4	78	1.8%
5	68	1.5%
6	26	0.6%
7	16	0.4%
8	12	0.3%
9	15	0.3%

Value	Count	Frequency (%)
19	1	< 0.1%
18	2	< 0.1%
16	2	< 0.1%
15	2	< 0.1%
14	4	0.1%
13	9	0.2%
12	14	0.3%
11	20	0.5%
10	13	0.3%
9	15	0.3%

Enrolled Units (2nd Sem)
Real number (ℝ)

High correlation Zeros

Distinct	22
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	6.2321429

Minimum	0
Maximum	23
Zeros	180
Zeros (%)	4.1%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	5
Q1	5
median	6
Q3	7
95-th percentile	10
Maximum	23
Range	23
Interquartile range (IQR)	2

Descriptive statistics

Standard deviation	2.1959508
Coefficient of variation (CV)	0.35235886
Kurtosis	7.13474
Mean	6.2321429
Median Absolute Deviation (MAD)	1
Skewness	0.7881135
Sum	27571
Variance	4.8221997
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=22)

Value	Count	Frequency (%)
6	1913	43.2%
5	1054	23.8%
8	661	14.9%
7	304	6.9%
0	180	4.1%
11	60	1.4%
9	50	1.1%
10	48	1.1%
12	44	1.0%
13	37	0.8%
Other values (12)	73	1.7%

Value	Count	Frequency (%)
0	180	4.1%
1	3	0.1%
2	5	0.1%
3	3	0.1%
4	17	0.4%
5	1054	23.8%
6	1913	43.2%
7	304	6.9%
8	661	14.9%
9	50	1.1%

Value	Count	Frequency (%)
23	2	< 0.1%
21	1	< 0.1%
19	3	0.1%
18	2	< 0.1%
17	12	0.3%
16	1	< 0.1%
15	2	< 0.1%
14	22	0.5%
13	37	0.8%
12	44	1.0%

Evaluated Units (2nd Sem)
Real number (ℝ)

High correlation Zeros

Distinct	30
Distinct (%)	0.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	8.0632911

Minimum	0
Maximum	33
Zeros	401
Zeros (%)	9.1%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	6
median	8
Q3	10
95-th percentile	15
Maximum	33
Range	33
Interquartile range (IQR)	4

Descriptive statistics

Standard deviation	3.9479509
Coefficient of variation (CV)	0.48962029
Kurtosis	2.0682859
Mean	8.0632911
Median Absolute Deviation (MAD)	2
Skewness	0.33649718
Sum	35672
Variance	15.586317
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=30)

Value	Count	Frequency (%)
8	792	17.9%
6	614	13.9%
7	563	12.7%
9	456	10.3%
0	401	9.1%
10	355	8.0%
5	288	6.5%
11	255	5.8%
12	226	5.1%
13	126	2.8%
Other values (20)	348	7.9%

Value	Count	Frequency (%)
0	401	9.1%
1	3	0.1%
2	4	0.1%
3	2	< 0.1%
4	10	0.2%
5	288	6.5%
6	614	13.9%
7	563	12.7%
8	792	17.9%
9	456	10.3%

Value	Count	Frequency (%)
33	1	< 0.1%
28	1	< 0.1%
27	2	< 0.1%
26	3	0.1%
25	1	< 0.1%
24	3	0.1%
23	4	0.1%
22	10	0.2%
21	10	0.2%
20	8	0.2%

Approved Units (2nd Sem)
Real number (ℝ)

High correlation Zeros

Distinct	20
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	4.4358047

Minimum	0
Maximum	20
Zeros	870
Zeros (%)	19.7%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	2
median	5
Q3	6
95-th percentile	8
Maximum	20
Range	20
Interquartile range (IQR)	4

Descriptive statistics

Standard deviation	3.0147639
Coefficient of variation (CV)	0.67964306
Kurtosis	0.84504466
Mean	4.4358047
Median Absolute Deviation (MAD)	2
Skewness	0.30627938
Sum	19624
Variance	9.0888014
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=20)

Value	Count	Frequency (%)
6	965	21.8%
0	870	19.7%
5	726	16.4%
4	414	9.4%
7	331	7.5%
8	321	7.3%
3	285	6.4%
2	198	4.5%
1	114	2.6%
11	48	1.1%
Other values (10)	152	3.4%

Value	Count	Frequency (%)
0	870	19.7%
1	114	2.6%
2	198	4.5%
3	285	6.4%
4	414	9.4%
5	726	16.4%
6	965	21.8%
7	331	7.5%
8	321	7.3%
9	36	0.8%

Value	Count	Frequency (%)
20	2	< 0.1%
19	3	0.1%
18	2	< 0.1%
17	8	0.2%
16	2	< 0.1%
14	6	0.1%
13	21	0.5%
12	34	0.8%
11	48	1.1%
10	38	0.9%

Average Grade (2nd Sem)
Real number (ℝ)

High correlation Zeros

Distinct	786
Distinct (%)	17.8%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	10.230206

Minimum	0
Maximum	18.571429
Zeros	870
Zeros (%)	19.7%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	10.75
median	12.2
Q3	13.333333
95-th percentile	14.980262
Maximum	18.571429
Range	18.571429
Interquartile range (IQR)	2.5833333

Descriptive statistics

Standard deviation	5.210808
Coefficient of variation (CV)	0.50935515
Kurtosis	0.066567351
Mean	10.230206
Median Absolute Deviation (MAD)	1.2
Skewness	-1.3136502
Sum	45258.43
Variance	27.15252
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	870	19.7%
12	170	3.8%
11	165	3.7%
13	150	3.4%
11.5	86	1.9%
12.5	84	1.9%
14	77	1.7%
10	77	1.7%
13.5	65	1.5%
12.66666667	61	1.4%
Other values (776)	2619	59.2%

Value	Count	Frequency (%)
0	870	19.7%
10	77	1.7%
10.16666667	4	0.1%
10.2	4	0.1%
10.25	10	0.2%
10.33333333	19	0.4%
10.375	1	< 0.1%
10.4	8	0.2%
10.42857143	2	< 0.1%
10.44444444	2	< 0.1%

Value	Count	Frequency (%)
18.57142857	1	< 0.1%
17.71428571	1	< 0.1%
17.69230769	1	< 0.1%
17.6	2	< 0.1%
17.5875	1	< 0.1%
17.42857143	1	< 0.1%
17.16666667	1	< 0.1%
17	2	< 0.1%
16.90909091	1	< 0.1%
16.8	2	< 0.1%

Not Evaluated Units (2nd Sem)
Real number (ℝ)

Zeros

Distinct	10
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.15031646

Minimum	0
Maximum	12
Zeros	4142
Zeros (%)	93.6%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	1
Maximum	12
Range	12
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	0.75377407
Coefficient of variation (CV)	5.0145812
Kurtosis	66.811692
Mean	0.15031646
Median Absolute Deviation (MAD)	0
Skewness	7.2677009
Sum	665
Variance	0.56817535
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=10)

Value	Count	Frequency (%)
0	4142	93.6%
1	140	3.2%
2	48	1.1%
3	35	0.8%
4	21	0.5%
5	17	0.4%
6	8	0.2%
8	6	0.1%
7	5	0.1%
12	2	< 0.1%

Value	Count	Frequency (%)
0	4142	93.6%
1	140	3.2%
2	48	1.1%
3	35	0.8%
4	21	0.5%
5	17	0.4%
6	8	0.2%
7	5	0.1%
8	6	0.1%
12	2	< 0.1%

Value	Count	Frequency (%)
12	2	< 0.1%
8	6	0.1%
7	5	0.1%
6	8	0.2%
5	17	0.4%
4	21	0.5%
3	35	0.8%
2	48	1.1%
1	140	3.2%
0	4142	93.6%

Unemployment Rate (%)
Real number (ℝ)

Distinct	10
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	11.566139

Minimum	7.6
Maximum	16.2
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	34.7 KiB

Quantile statistics

Minimum	7.6
5-th percentile	7.6
Q1	9.4
median	11.1
Q3	13.9
95-th percentile	16.2
Maximum	16.2
Range	8.6
Interquartile range (IQR)	4.5

Descriptive statistics

Standard deviation	2.6638505
Coefficient of variation (CV)	0.23031458
Kurtosis	-0.99552591
Mean	11.566139
Median Absolute Deviation (MAD)	1.7
Skewness	0.21205105
Sum	51168.6
Variance	7.0960994
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=10)

Value	Count	Frequency (%)
7.6	571	12.9%
9.4	533	12.0%
10.8	525	11.9%
12.4	445	10.1%
12.7	419	9.5%
11.1	414	9.4%
15.5	397	9.0%
13.9	390	8.8%
8.9	368	8.3%
16.2	362	8.2%

Value	Count	Frequency (%)
7.6	571	12.9%
8.9	368	8.3%
9.4	533	12.0%
10.8	525	11.9%
11.1	414	9.4%
12.4	445	10.1%
12.7	419	9.5%
13.9	390	8.8%
15.5	397	9.0%
16.2	362	8.2%

Value	Count	Frequency (%)
16.2	362	8.2%
15.5	397	9.0%
13.9	390	8.8%
12.7	419	9.5%
12.4	445	10.1%
11.1	414	9.4%
10.8	525	11.9%
9.4	533	12.0%
8.9	368	8.3%
7.6	571	12.9%

Inflation Rate (%)
Real number (ℝ)

Distinct	9
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	1.2280289

Minimum	-0.8
Maximum	3.7
Zeros	0
Zeros (%)	0.0%
Negative	923
Negative (%)	20.9%
Memory size	34.7 KiB

Quantile statistics

Minimum	-0.8
5-th percentile	-0.8
Q1	0.3
median	1.4
Q3	2.6
95-th percentile	3.7
Maximum	3.7
Range	4.5
Interquartile range (IQR)	2.3

Descriptive statistics

Standard deviation	1.3827107
Coefficient of variation (CV)	1.1259594
Kurtosis	-1.0390334
Mean	1.2280289
Median Absolute Deviation (MAD)	1.2
Skewness	0.25237535
Sum	5432.8
Variance	1.9118889
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=9)

Value	Count	Frequency (%)
1.4	893	20.2%
2.6	571	12.9%
-0.8	533	12.0%
0.5	445	10.1%
3.7	419	9.5%
0.6	414	9.4%
2.8	397	9.0%
-0.3	390	8.8%
0.3	362	8.2%

Value	Count	Frequency (%)
-0.8	533	12.0%
-0.3	390	8.8%
0.3	362	8.2%
0.5	445	10.1%
0.6	414	9.4%
1.4	893	20.2%
2.6	571	12.9%
2.8	397	9.0%
3.7	419	9.5%

Value	Count	Frequency (%)
3.7	419	9.5%
2.8	397	9.0%
2.6	571	12.9%
1.4	893	20.2%
0.6	414	9.4%
0.5	445	10.1%
0.3	362	8.2%
-0.3	390	8.8%
-0.8	533	12.0%

GDP per Capita (USD)
Real number (ℝ)

Distinct	10
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.0019688065

Minimum	-4.06
Maximum	3.51
Zeros	0
Zeros (%)	0.0%
Negative	1711
Negative (%)	38.7%
Memory size	34.7 KiB

Quantile statistics

Minimum	-4.06
5-th percentile	-4.06
Q1	-1.7
median	0.32
Q3	1.79
95-th percentile	3.51
Maximum	3.51
Range	7.57
Interquartile range (IQR)	3.49

Descriptive statistics

Standard deviation	2.2699354
Coefficient of variation (CV)	1152.95
Kurtosis	-1.0016532
Mean	0.0019688065
Median Absolute Deviation (MAD)	1.47
Skewness	-0.39406821
Sum	8.71
Variance	5.1526069
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=10)

Value	Count	Frequency (%)
0.32	571	12.9%
-3.12	533	12.0%
1.74	525	11.9%
1.79	445	10.1%
-1.7	419	9.5%
2.02	414	9.4%
-4.06	397	9.0%
0.79	390	8.8%
3.51	368	8.3%
-0.92	362	8.2%

Value	Count	Frequency (%)
-4.06	397	9.0%
-3.12	533	12.0%
-1.7	419	9.5%
-0.92	362	8.2%
0.32	571	12.9%
0.79	390	8.8%
1.74	525	11.9%
1.79	445	10.1%
2.02	414	9.4%
3.51	368	8.3%

Value	Count	Frequency (%)
3.51	368	8.3%
2.02	414	9.4%
1.79	445	10.1%
1.74	525	11.9%
0.79	390	8.8%
0.32	571	12.9%
-0.92	362	8.2%
-1.7	419	9.5%
-3.12	533	12.0%
-4.06	397	9.0%

Student Status
Categorical

High correlation

Distinct	3
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Memory size	34.7 KiB

Graduate	2209
Dropout	1421
Enrolled	794

Length

Max length	8
Median length	8
Mean length	7.6787975
Min length	7

Characters and Unicode

Total characters	33971
Distinct characters	13
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Dropout
2nd row	Graduate
3rd row	Dropout
4th row	Graduate
5th row	Graduate

Common Values

Value	Count	Frequency (%)
Graduate	2209	49.9%
Dropout	1421	32.1%
Enrolled	794	17.9%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
graduate	2209	49.9%
dropout	1421	32.1%
enrolled	794	17.9%

Most occurring characters

Value	Count	Frequency (%)
r	4424	13.0%
a	4418	13.0%
o	3636	10.7%
t	3630	10.7%
u	3630	10.7%
e	3003	8.8%
d	3003	8.8%
G	2209	6.5%
l	1588	4.7%
D	1421	4.2%
Other values (3)	3009	8.9%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	33971	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
r	4424	13.0%
a	4418	13.0%
o	3636	10.7%
t	3630	10.7%
u	3630	10.7%
e	3003	8.8%
d	3003	8.8%
G	2209	6.5%
l	1588	4.7%
D	1421	4.2%
Other values (3)	3009	8.9%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	33971	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
r	4424	13.0%
a	4418	13.0%
o	3636	10.7%
t	3630	10.7%
u	3630	10.7%
e	3003	8.8%
d	3003	8.8%
G	2209	6.5%
l	1588	4.7%
D	1421	4.2%
Other values (3)	3009	8.9%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	33971	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
r	4424	13.0%
a	4418	13.0%
o	3636	10.7%
t	3630	10.7%
u	3630	10.7%
e	3003	8.8%
d	3003	8.8%
G	2209	6.5%
l	1588	4.7%
D	1421	4.2%
Other values (3)	3009	8.9%

Interactions

Correlations

	Age at Enrollment	Application Mode	Application Order	Approved Units (1st Sem)	Approved Units (2nd Sem)	Average Grade (1st Sem)	Average Grade (2nd Sem)	Course Name	Credited Units (1st Sem)	Credited Units (2nd Sem)	Daytime/Evening Attendance	Displaced Student	Enrolled Units (1st Sem)	Enrolled Units (2nd Sem)	Evaluated Units (1st Sem)	Evaluated Units (2nd Sem)	Father's Occupation	Father's Qualification	GDP per Capita (USD)	Gender (1=Male, 0=Female)	Inflation Rate (%)	International Student	Is Debtor	Marital Status	Mother's Occupation	Mother's Qualification	Nationality	Not Evaluated Units (1st Sem)	Not Evaluated Units (2nd Sem)	Previous Qualification	Scholarship Holder	Special Educational Needs	Student Status	Tuition Fees Up-to-Date	Unemployment Rate (%)
Age at Enrollment	1.000	0.288	-0.366	-0.166	-0.188	-0.210	-0.213	0.189	0.299	0.301	0.489	0.389	0.001	-0.031	0.171	0.083	0.062	0.133	-0.057	0.162	0.018	0.000	0.133	0.313	0.084	0.149	0.000	0.061	0.094	0.195	0.212	0.000	0.219	0.209	0.019
Application Mode	0.288	1.000	0.161	0.187	0.289	0.111	0.110	0.168	0.267	0.232	0.410	0.411	0.198	0.200	0.143	0.128	0.077	0.094	0.162	0.177	0.149	0.530	0.164	0.224	0.106	0.088	0.234	0.058	0.037	0.412	0.220	0.000	0.221	0.202	0.176
Application Order	-0.366	0.161	1.000	0.090	0.106	0.074	0.065	0.143	-0.202	-0.201	0.185	0.382	0.056	0.075	-0.096	-0.053	0.000	0.038	0.030	0.108	-0.011	0.000	0.090	0.070	0.000	0.033	0.000	-0.041	-0.030	0.086	0.089	0.000	0.079	0.073	-0.104
Approved Units (1st Sem)	-0.166	0.187	0.090	1.000	0.892	0.640	0.663	0.236	0.362	0.367	0.173	0.129	0.707	0.699	0.262	0.364	0.000	0.042	0.059	0.237	-0.002	0.000	0.145	0.051	0.056	0.098	0.000	-0.069	-0.073	0.128	0.264	0.000	0.455	0.280	0.074
Approved Units (2nd Sem)	-0.188	0.289	0.106	0.892	1.000	0.629	0.694	0.288	0.289	0.319	0.101	0.116	0.653	0.674	0.252	0.303	0.024	0.035	0.048	0.262	-0.015	0.025	0.180	0.048	0.058	0.092	0.000	-0.055	-0.064	0.118	0.273	0.000	0.516	0.313	0.070
Average Grade (1st Sem)	-0.210	0.111	0.074	0.640	0.629	1.000	0.762	0.271	0.101	0.097	0.138	0.087	0.363	0.368	0.112	0.182	0.053	0.052	0.092	0.193	-0.037	0.000	0.106	0.039	0.057	0.065	0.026	-0.017	-0.047	0.093	0.181	0.000	0.383	0.248	0.045
Average Grade (2nd Sem)	-0.213	0.110	0.065	0.663	0.694	0.762	1.000	0.228	0.093	0.103	0.085	0.069	0.351	0.364	0.090	0.172	0.075	0.049	0.105	0.201	-0.043	0.000	0.150	0.033	0.087	0.060	0.067	-0.041	-0.052	0.104	0.196	0.000	0.455	0.297	0.042
Course Name	0.189	0.168	0.143	0.236	0.288	0.271	0.228	1.000	0.117	0.116	0.998	0.324	0.434	0.437	0.241	0.245	0.089	0.087	0.120	0.424	0.090	0.093	0.152	0.167	0.089	0.096	0.040	0.101	0.082	0.111	0.222	0.062	0.244	0.139	0.123
Credited Units (1st Sem)	0.299	0.267	-0.202	0.362	0.289	0.101	0.093	0.117	1.000	0.914	0.171	0.107	0.423	0.376	0.366	0.331	0.023	0.071	0.022	0.027	-0.002	0.000	0.057	0.050	0.038	0.087	0.000	0.100	0.064	0.183	0.086	0.000	0.045	0.000	0.024
Credited Units (2nd Sem)	0.301	0.232	-0.201	0.367	0.319	0.097	0.103	0.116	0.914	1.000	0.182	0.128	0.440	0.414	0.369	0.342	0.000	0.034	0.024	0.028	-0.001	0.000	0.054	0.047	0.027	0.121	0.000	0.059	0.082	0.176	0.075	0.000	0.042	0.000	0.012
Daytime/Evening Attendance	0.489	0.410	0.185	0.173	0.101	0.138	0.085	0.998	0.171	0.182	1.000	0.251	0.219	0.187	0.063	0.108	0.126	0.240	0.093	0.000	0.073	0.021	0.000	0.366	0.172	0.274	0.000	0.019	0.000	0.195	0.092	0.023	0.078	0.035	0.093
Displaced Student	0.389	0.411	0.382	0.129	0.116	0.087	0.069	0.324	0.107	0.128	0.251	1.000	0.150	0.138	0.098	0.068	0.112	0.115	0.140	0.124	0.058	0.000	0.088	0.275	0.102	0.144	0.029	0.000	0.036	0.221	0.071	0.000	0.112	0.094	0.138
Enrolled Units (1st Sem)	0.001	0.198	0.056	0.707	0.653	0.363	0.351	0.434	0.423	0.440	0.219	0.150	1.000	0.962	0.420	0.431	0.003	0.049	0.018	0.213	0.017	0.000	0.047	0.067	0.034	0.082	0.000	-0.019	-0.021	0.136	0.156	0.043	0.173	0.083	0.108
Enrolled Units (2nd Sem)	-0.031	0.200	0.075	0.699	0.674	0.368	0.364	0.437	0.376	0.414	0.187	0.138	0.962	1.000	0.386	0.440	0.057	0.037	0.019	0.162	0.009	0.030	0.075	0.034	0.037	0.122	0.000	-0.032	-0.027	0.108	0.113	0.000	0.139	0.124	0.139
Evaluated Units (1st Sem)	0.171	0.143	-0.096	0.262	0.252	0.112	0.090	0.241	0.366	0.369	0.063	0.098	0.420	0.386	1.000	0.694	0.000	0.077	-0.097	0.079	-0.040	0.056	0.061	0.032	0.000	0.032	0.169	0.202	0.153	0.103	0.187	0.000	0.258	0.103	0.067
Evaluated Units (2nd Sem)	0.083	0.128	-0.053	0.364	0.303	0.182	0.172	0.245	0.331	0.342	0.108	0.068	0.431	0.440	0.694	1.000	0.000	0.000	-0.004	0.109	-0.024	0.011	0.059	0.015	0.000	0.004	0.080	0.096	0.159	0.114	0.166	0.029	0.274	0.124	0.061
Father's Occupation	0.062	0.077	0.000	0.000	0.024	0.053	0.075	0.089	0.023	0.000	0.126	0.112	0.003	0.057	0.000	0.000	1.000	0.182	0.161	0.089	0.127	0.060	0.138	0.000	0.571	0.189	0.116	0.000	0.000	0.050	0.225	0.000	0.140	0.019	0.174
Father's Qualification	0.133	0.094	0.038	0.042	0.035	0.052	0.049	0.087	0.071	0.034	0.240	0.115	0.049	0.037	0.077	0.000	0.182	1.000	0.121	0.095	0.109	0.077	0.000	0.098	0.154	0.431	0.051	0.097	0.147	0.098	0.170	0.000	0.134	0.097	0.135
GDP per Capita (USD)	-0.057	0.162	0.030	0.059	0.048	0.092	0.105	0.120	0.022	0.024	0.093	0.140	0.018	0.019	-0.097	-0.004	0.161	0.121	1.000	0.081	-0.102	0.065	0.138	0.038	0.163	0.141	0.041	-0.184	-0.111	0.139	0.129	0.057	0.052	0.079	-0.288
Gender (1=Male, 0=Female)	0.162	0.177	0.108	0.237	0.262	0.193	0.201	0.424	0.027	0.028	0.000	0.124	0.213	0.162	0.079	0.109	0.089	0.095	0.081	1.000	0.068	0.020	0.051	0.044	0.038	0.083	0.029	0.000	0.055	0.124	0.168	0.003	0.229	0.102	0.076
Inflation Rate (%)	0.018	0.149	-0.011	-0.002	-0.015	-0.037	-0.043	0.090	-0.002	-0.001	0.073	0.058	0.017	0.009	-0.040	-0.024	0.127	0.109	-0.102	0.068	1.000	0.030	0.086	0.040	0.129	0.122	0.017	-0.068	-0.027	0.127	0.098	0.042	0.036	0.086	-0.055
International Student	0.000	0.530	0.000	0.000	0.025	0.000	0.000	0.093	0.000	0.000	0.021	0.000	0.000	0.030	0.056	0.011	0.060	0.077	0.065	0.020	0.030	1.000	0.072	0.000	0.172	0.101	0.998	0.057	0.000	0.000	0.022	0.000	0.000	0.039	0.069
Is Debtor	0.133	0.164	0.090	0.145	0.180	0.106	0.150	0.152	0.057	0.054	0.000	0.088	0.047	0.075	0.061	0.059	0.138	0.000	0.138	0.051	0.086	0.072	1.000	0.030	0.117	0.035	0.090	0.031	0.063	0.144	0.065	0.000	0.241	0.407	0.135
Marital Status	0.313	0.224	0.070	0.051	0.048	0.039	0.033	0.167	0.050	0.047	0.366	0.275	0.067	0.034	0.032	0.015	0.000	0.098	0.038	0.044	0.040	0.000	0.030	1.000	0.057	0.134	0.000	0.055	0.044	0.155	0.104	0.000	0.078	0.093	0.044
Mother's Occupation	0.084	0.106	0.000	0.056	0.058	0.057	0.087	0.089	0.038	0.027	0.172	0.102	0.034	0.037	0.000	0.000	0.571	0.154	0.163	0.038	0.129	0.172	0.117	0.057	1.000	0.249	0.215	0.052	0.000	0.063	0.195	0.067	0.161	0.095	0.176
Mother's Qualification	0.149	0.088	0.033	0.098	0.092	0.065	0.060	0.096	0.087	0.121	0.274	0.144	0.082	0.122	0.032	0.004	0.189	0.431	0.141	0.083	0.122	0.101	0.035	0.134	0.249	1.000	0.000	0.065	0.099	0.091	0.182	0.023	0.135	0.056	0.156
Nationality	0.000	0.234	0.000	0.000	0.000	0.026	0.067	0.040	0.000	0.000	0.000	0.029	0.000	0.000	0.169	0.080	0.116	0.051	0.041	0.029	0.017	0.998	0.090	0.000	0.215	0.000	1.000	0.168	0.000	0.000	0.031	0.000	0.026	0.049	0.041
Not Evaluated Units (1st Sem)	0.061	0.058	-0.041	-0.069	-0.055	-0.017	-0.041	0.101	0.100	0.059	0.019	0.000	-0.019	-0.032	0.202	0.096	0.000	0.097	-0.184	0.000	-0.068	0.057	0.031	0.055	0.052	0.065	0.168	1.000	0.384	0.076	0.057	0.000	0.062	0.078	-0.067
Not Evaluated Units (2nd Sem)	0.094	0.037	-0.030	-0.073	-0.064	-0.047	-0.052	0.082	0.064	0.082	0.000	0.036	-0.021	-0.027	0.153	0.159	0.000	0.147	-0.111	0.055	-0.027	0.000	0.063	0.044	0.000	0.099	0.000	0.384	1.000	0.095	0.040	0.000	0.066	0.071	-0.053
Previous Qualification	0.195	0.412	0.086	0.128	0.118	0.093	0.104	0.111	0.183	0.176	0.195	0.221	0.136	0.108	0.103	0.114	0.050	0.098	0.139	0.124	0.127	0.000	0.144	0.155	0.063	0.091	0.000	0.076	0.095	1.000	0.139	0.000	0.146	0.154	0.153
Scholarship Holder	0.212	0.220	0.089	0.264	0.273	0.181	0.196	0.222	0.086	0.075	0.092	0.071	0.156	0.113	0.187	0.166	0.225	0.170	0.129	0.168	0.098	0.022	0.065	0.104	0.195	0.182	0.031	0.057	0.040	0.139	1.000	0.011	0.304	0.136	0.130
Special Educational Needs	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.062	0.000	0.000	0.023	0.000	0.043	0.000	0.000	0.029	0.000	0.000	0.057	0.003	0.042	0.000	0.000	0.000	0.067	0.023	0.000	0.000	0.000	0.000	0.011	1.000	0.000	0.000	0.048
Student Status	0.219	0.221	0.079	0.455	0.516	0.383	0.455	0.244	0.045	0.042	0.078	0.112	0.173	0.139	0.258	0.274	0.140	0.134	0.052	0.229	0.036	0.000	0.241	0.078	0.161	0.135	0.026	0.062	0.066	0.146	0.304	0.000	1.000	0.431	0.053
Tuition Fees Up-to-Date	0.209	0.202	0.073	0.280	0.313	0.248	0.297	0.139	0.000	0.000	0.035	0.094	0.083	0.124	0.103	0.124	0.019	0.097	0.079	0.102	0.086	0.039	0.407	0.093	0.095	0.056	0.049	0.078	0.071	0.154	0.136	0.000	0.431	1.000	0.091
Unemployment Rate (%)	0.019	0.176	-0.104	0.074	0.070	0.045	0.042	0.123	0.024	0.012	0.093	0.138	0.108	0.139	0.067	0.061	0.174	0.135	-0.288	0.076	-0.055	0.069	0.135	0.044	0.176	0.156	0.041	-0.067	-0.053	0.153	0.130	0.048	0.053	0.091	1.000

Missing values

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

Sample

	Marital Status	Application Mode	Application Order	Course Name	Daytime/Evening Attendance	Previous Qualification	Nationality	Mother's Qualification	Father's Qualification	Mother's Occupation	Father's Occupation	Displaced Student	Special Educational Needs	Is Debtor	Tuition Fees Up-to-Date	Gender (1=Male, 0=Female)	Scholarship Holder	Age at Enrollment	International Student	Enrolled Units (1st Sem)	Evaluated Units (1st Sem)	Approved Units (1st Sem)	Average Grade (1st Sem)	Enrolled Units (2nd Sem)	Evaluated Units (2nd Sem)	Approved Units (2nd Sem)	Average Grade (2nd Sem)	Not Evaluated Units (2nd Sem)	Unemployment Rate (%)	Inflation Rate (%)	GDP per Capita (USD)	Student Status
0	Single	2nd phase—general contingent	5	Animation and Multimedia Design	Daytime	Secondary education	Portuguese	General commerce course	Other—11th Year	Service/Sales/Security	Unskilled Workers	Yes	No	No	Yes	Male	No	20	No	0	0	0	0.000000	0	0	0	0.000000	0	10.8	1.4	1.74	Dropout
1	Single	International student (bachelor)	1	Tourism	Daytime	Secondary education	Portuguese	Secondary Education	Higher Education Degree	Technicians & Professionals	Technicians & Professionals	Yes	No	No	No	Male	No	19	No	6	6	6	14.000000	6	6	6	13.666667	0	13.9	-0.3	0.79	Graduate
2	Single	1st phase—general contingent	5	Communication Design	Daytime	Secondary education	Portuguese	Administration & Commerce course	Basic Edu 1st Cycle	Unskilled Workers	Unskilled Workers	Yes	No	No	No	Male	No	19	No	6	0	0	0.000000	6	0	0	0.000000	0	10.8	1.4	1.74	Dropout
3	Single	2nd phase—general contingent	2	Journalism and Communication	Daytime	Secondary education	Portuguese	Accounting & Admin course	Basic Edu 1st Cycle	Service/Sales/Security	Technicians & Professionals	Yes	No	No	Yes	Female	No	20	No	6	8	6	13.428571	6	10	5	12.400000	0	9.4	-0.8	-3.12	Graduate
4	Married	Over 23 years old	1	Social Service (evening attendance)	Evening	Secondary education	Portuguese	Administration & Commerce course	Basic Edu 2nd Cycle	Unskilled Workers	Unskilled Workers	No	No	No	Yes	Female	No	45	No	6	9	5	12.333333	6	6	6	13.000000	0	13.9	-0.3	0.79	Graduate
5	Married	Over 23 years old	1	Management (evening attendance)	Evening	Basic education 3rd cycle	Portuguese	Administration & Commerce course	Basic Edu 1st Cycle	Unskilled Workers	Skilled Industry Workers	No	No	Yes	Yes	Male	No	50	No	5	10	5	11.857143	5	17	5	11.500000	5	16.2	0.3	-0.92	Graduate
6	Single	1st phase—general contingent	1	Nursing	Daytime	Secondary education	Portuguese	General commerce course	Basic Edu 2nd Cycle	Skilled Industry Workers	Armed Forces	Yes	No	No	Yes	Female	Yes	18	No	7	9	7	13.300000	8	8	8	14.345000	0	15.5	2.8	-4.06	Graduate
7	Single	3rd phase—general contingent	4	Tourism	Daytime	Secondary education	Portuguese	Administration & Commerce course	Basic Edu 1st Cycle	Unskilled Workers	Unskilled Workers	Yes	No	No	No	Male	No	22	No	5	5	0	0.000000	5	5	0	0.000000	0	15.5	2.8	-4.06	Dropout
8	Single	1st phase—general contingent	3	Social Service	Daytime	Secondary education	Romanian	Secondary Education	Secondary Education	Unskilled Workers	Unskilled Workers	No	No	No	Yes	Female	Yes	21	Yes	6	8	6	13.875000	6	7	6	14.142857	0	16.2	0.3	-0.92	Graduate
9	Single	1st phase—general contingent	1	Social Service	Daytime	Secondary education	Portuguese	Secondary Education	Basic Education 3rd Cycle	Administrative Staff	Skilled Industry Workers	Yes	No	Yes	No	Female	No	18	No	6	9	5	11.400000	6	14	2	13.500000	0	8.9	1.4	3.51	Dropout

	Marital Status	Application Mode	Application Order	Course Name	Daytime/Evening Attendance	Previous Qualification	Nationality	Mother's Qualification	Father's Qualification	Mother's Occupation	Father's Occupation	Displaced Student	Special Educational Needs	Is Debtor	Tuition Fees Up-to-Date	Gender (1=Male, 0=Female)	Scholarship Holder	Age at Enrollment	International Student	Credited Units (1st Sem)	Enrolled Units (1st Sem)	Evaluated Units (1st Sem)	Approved Units (1st Sem)	Average Grade (1st Sem)	Not Evaluated Units (1st Sem)	Credited Units (2nd Sem)	Enrolled Units (2nd Sem)	Evaluated Units (2nd Sem)	Approved Units (2nd Sem)	Average Grade (2nd Sem)	Not Evaluated Units (2nd Sem)	Unemployment Rate (%)	Inflation Rate (%)	GDP per Capita (USD)	Student Status
4414	Single	1st phase—general contingent	1	Equiniculture	Daytime	Secondary education	Portuguese	Higher Education Degree	Basic Edu 2nd Cycle	Technicians & Professionals	Service/Sales/Security	Yes	No	No	Yes	Female	No	18	No	0	5	6	5	11.800000	1	0	5	8	5	11.600000	0	9.4	-0.8	-3.12	Graduate
4415	Divorced	Over 23 years old	1	Nursing	Daytime	Basic education 3rd cycle	Portuguese	Administration & Commerce course	Basic Edu 1st Cycle	Farmers/Ag Workers	Farmers/Ag Workers	No	No	Yes	No	Female	No	46	No	0	7	14	3	12.333333	0	0	7	12	3	11.083333	0	11.1	0.6	2.02	Dropout
4416	Single	Change in course	2	Nursing	Daytime	Secondary education	Portuguese	Accounting & Admin course	Basic Edu 2nd Cycle	Unskilled Workers	Service/Sales/Security	No	No	No	Yes	Female	No	23	No	11	14	15	12	12.625000	1	11	14	15	12	12.625000	1	7.6	2.6	0.32	Graduate
4417	Single	1st phase—general contingent	1	Communication Design	Daytime	Secondary education	Portuguese	Secondary Education	Secondary Education	Unskilled Workers	Unskilled Workers	Yes	No	No	Yes	Female	Yes	20	No	0	6	6	6	13.833333	0	0	6	6	6	13.500000	0	16.2	0.3	-0.92	Graduate
4418	Single	Technological specialization diploma holders	1	Communication Design	Daytime	Technological specialization course	Portuguese	Higher Education Degree	Basic Edu 2nd Cycle	Technicians & Professionals	Unskilled Workers	No	No	No	Yes	Male	No	20	No	2	7	7	6	12.500000	0	5	9	10	7	13.142857	1	16.2	0.3	-0.92	Graduate
4419	Single	1st phase—general contingent	6	Journalism and Communication	Daytime	Secondary education	Portuguese	Secondary Education	Secondary Education	Service/Sales/Security	Administrative Staff	No	No	No	Yes	Male	No	19	No	0	6	7	5	13.600000	0	0	6	8	5	12.666667	0	15.5	2.8	-4.06	Graduate
4420	Single	1st phase—general contingent	2	Journalism and Communication	Daytime	Secondary education	Russian	Secondary Education	Secondary Education	Unskilled Workers	Unskilled Workers	Yes	No	Yes	No	Female	No	18	Yes	0	6	6	6	12.000000	0	0	6	6	2	11.000000	0	11.1	0.6	2.02	Dropout
4421	Single	1st phase—general contingent	1	Nursing	Daytime	Secondary education	Portuguese	Administration & Commerce course	Basic Edu 1st Cycle	Unskilled Workers	Unskilled Workers	Yes	No	No	Yes	Female	Yes	30	No	0	7	8	7	14.912500	0	0	8	9	1	13.500000	0	13.9	-0.3	0.79	Dropout
4422	Single	1st phase—general contingent	1	Management	Daytime	Secondary education	Portuguese	Administration & Commerce course	Basic Edu 1st Cycle	Skilled Industry Workers	Administrative Staff	Yes	No	No	Yes	Female	Yes	20	No	0	5	5	5	13.800000	0	0	5	6	5	12.000000	0	9.4	-0.8	-3.12	Graduate
4423	Single	Ordinance No. 854-B/99	1	Journalism and Communication	Daytime	Secondary education	Cape Verdean	Accounting & Admin course	Basic Edu 1st Cycle	Service/Sales/Security	Unskilled Workers	Yes	No	No	Yes	Female	No	22	Yes	0	6	8	6	11.666667	0	0	6	6	6	13.000000	0	12.7	3.7	-1.70	Graduate

Overview

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